... Gold PCB, Made of FR-4, Tg180 Materials and 1.6mm Thickness1.UL,SGS,ROHS,IS09001,CE,IPC 2..High quality ... Gold PCB, Made of FR-4, Tg180 Materials and 1.6mm Thickness 1.Base Material:fr42.copper thickness:2oz3.board thickness ... Gold PCB, Made of FR-4, Tg180 Materials and 1.6mm Thickness